[TechAssist] Re: Sony KV32S20
- From: tvdoctors@xxxxxxxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: 17 Oct 2001 14:19:19 -0800
PS, I can also see my secondary voltages start to run a well, but quickly
shuts down. Neil
> ** Original Subject: [TechAssist] Sony KV32S20
> ** Original Sender: tvdoctors@xxxxxxxxxxxxx
> ** Original Date: Wed, 17 Oct 2001 15:54:24 -0500 (EST)
> ** Original Message follows...
>
> Set came into my shop dead. I found Q601 and Q602 shorted and R607 open in
> the switch mode power supply. These were knocked out by a shorted H.O.T.
> Q502. I replaced all these components and now set try's to come on but won't
> . Pulse starts out up to base of Q502 but won't start up. The only voltages
> that I can see that is not right on is my 9 volt supply that's switched on in
> the power supply during start up. It measures 8.3 volts. Is this chassis
> prone to having bad flybacks or is there something I am missing? Any help
> would be greatly apreciated. Thank, Neil TV Doctors
>
>
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